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The fire provided the initial activation energy to allow the food sample to combust. Where did the activation energy come from to keep the reaction going?

The fire provided the initial activation energy to allow the food sample to combust. Where did the activation energy come from to keep the reaction going?

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter3: Matter-properties And Changes
Section: Chapter Questions
Problem 11STP
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The fire provided the initial activation energy to allow the food sample to combust. Where did the activation energy come from to keep the reaction going?
Temperature (°C) Temperature (°C) before experiment after experiment Food Sample Mass (g) Mass (g) before after experiment experiment marshmallows 7. 65 g 7.41 g 19°C 22.5 °C Pumpkin seeds 7.37 g 7.26 g 19°C 24°C cracker 7.50 g 7.31 g 19°C 24.5°C Dried 7.65 g 7.61 g 19°C 21°C cranberries рорсorn 7.27 g 7.24 g 19°C 20.2 °C Rice cake 7.21 g 7.19 g 19°C 21°C almond 12.17 12.04 16 22.5°C The mass of water being used in the experiment: 100 g
Transcribed Image Text:Temperature (°C) Temperature (°C) before experiment after experiment Food Sample Mass (g) Mass (g) before after experiment experiment marshmallows 7. 65 g 7.41 g 19°C 22.5 °C Pumpkin seeds 7.37 g 7.26 g 19°C 24°C cracker 7.50 g 7.31 g 19°C 24.5°C Dried 7.65 g 7.61 g 19°C 21°C cranberries рорсorn 7.27 g 7.24 g 19°C 20.2 °C Rice cake 7.21 g 7.19 g 19°C 21°C almond 12.17 12.04 16 22.5°C The mass of water being used in the experiment: 100 g
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